Academy of Model Aeronautics web site. The official national body for model aviation in the United States. AMA sanctions more than a thousand model competitions throughout the country each year, and certifies official model flying records on a national and international level.

International Radio Controlled Helicopter Association. IRCHAis the Special Interest Group for r/c helicopters to the AMA,and with that we are an important part of what and how the future of model helicopters are determined.

This web site dedicated to the Hirobo Tsurugi. A combination of practical information, tips, and news from the heli world. Inside you will find articles on setting up your helicopter with general radio programming tips, and just what to look for on that first flight

W3MH - Online Heli MagazineW3MH is World Wide Web Model Helicopter. This website has been online since October 1995 and in the early days we also produced a monthly model helicopter magazine.